Add types for getPerformance() and extend Options interface with trackPerformance flag (#41340)
Add types for getPerformance() and extend Options interface with trackPerformance flag (#41340)


georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,mcliment/DefinitelyTyped